Mask for a display unit and display unit for an electronic display board



FIG. 1 shows a front view of the design.

FIG. 2 shows a left side view of the design. The right side view being a mirror image of the left side view.

FIG. 3 shows a top view of the design. The bottom view being a mirror image of the top view.

FIG. 4 shows a rear view of the design.

FIG. 5 shows a perspective view of the design.

FIG. 6 shows a sectional view of the design taken along the line 6—6 as shown in FIG. 1.

FIG. 7 shows a fragmentary sectional view of the design taken along the line 7—7 as shown in FIG. 6; and,

FIG. 8 shows a fragmentary sectional view of the design taken along the line 8—8 as shown in FIG. 6. 

The ornamental design for a mask for a display unit and display unit for an electronic display board, as shown and described. 